arrival, las vegas, nevada. that says vip right there. heading to my home for the next week, the planet hollywood, as a judge for the miss america pageant. i need advice. who do i call? hey, lara spencer. >> are you ready. >> she's in las vegas shooting an abc/"20/20" special and was head judge for the contest last year. >> we don't have a lot of time. you have a lot to learn. >> reporter: first off, a sneak peek at rehe isles. the contestants are hard at work. i can do this. i wican do this. then lara's off. i'm on my own. this is vegas. it can't be all work. it has to be a little fun. fellow judge, "dancing with the stars" pro cheryl burke and i get to work. >> hopefully, we can go backstage and meet everybody. >> maybe they'll let us play. ka is the spectacular cirque du soleil show. it looks terrifying. death-defying. of course, i had to try it. >> you're in great hands. >> okay, good. >> it's the coolest ing ever. but i'm more nervous than anything i have done. there's more to vegas than going the theater. where are we going now? >>